Raymond Cruz, who about twelve years later would become known for playing the character Tuco Salamanca in Breaking Bad and Better Call Saul, has a brief, uncredited role towards the end of the film as the soldier describing the effects of the nuke.
Kurtwood Smith, later known as the dad from That 70's Show, plays the Secretary of Defense.
The late Daniel Von Bargen, best known for playing George's boss Mr. Kruger on Seinfeld, plays a USAF general.
We also have French Stewart, known for his role as Harry Solomon on 3rd Rock from the Sun, in the brief role of "Frenchy", one of the crewmen attempting to track Deakins' and Hale's stealth bomber.
This is the only film that critic Gene Siskel changed his vote on. He initially gave it thumbs up, but changed his mind after hearing Ebert's review.